20369672 has 32 divisors (see below), whose sum is σ = 42573600. Its totient is φ = 9080064.

The previous prime is 20369639. The next prime is 20369677. The reversal of 20369672 is 27696302.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (20369677) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1358 + ... + 6525.

It is an arithmetic number, because the mean of its divisors is an integer number (1330425).

Almost surely, 2^20369672 is an apocalyptic number.

It is an amenable number.

20369672 is an abundant number, since it is smaller than the sum of its proper divisors (22203928).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20369672 is a wasteful number, since it uses less digits than its factorization.

20369672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7925 (or 7921 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 35.

The square root of 20369672 is about 4513.2773014740. The cubic root of 20369672 is about 273.1039691298.

The spelling of 20369672 in words is "twenty million, three hundred sixty-nine thousand, six hundred seventy-two".